*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f0f2f5;--surface: #ffffff;--border: #dde1e7;--text: #1a1d23;--text-muted: #6b7280;--accent: #2563eb;--accent-h: #1d4ed8;--header-bg: #1e293b;--header-fg: #f1f5f9;--radius: 8px;--shadow: 0 1px 4px rgba(0, 0, 0, .08), 0 4px 16px rgba(0, 0, 0, .04);--lec-bg: #eff6ff;--lec-border: #3b82f6;--lec-text: #1d4ed8;--prac-bg: #f0fdf4;--prac-border: #16a34a;--prac-text: #15803d;--lab-bg: #faf5ff;--lab-border: #9333ea;--lab-text: #7e22ce;--sem-bg: #fff7ed;--sem-border: #ea580c;--sem-text: #c2410c;--other-bg: #f9fafb;--other-border: #6b7280;--other-text: #374151}html,body,#root{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:14px;color:var(--text);background:var(--bg)}button{cursor:pointer;font-size:13px;font-family:inherit;padding:6px 14px;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);color:var(--text);transition:background .15s,border-color 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h1{font-size:22px;font-weight:700;color:var(--text);text-align:center}.loginNotice{padding:10px 14px;border-radius:var(--radius);font-size:13px;line-height:1.4}.loginNotice.error{background:#fef2f2;color:#b91c1c;border:1px solid #fca5a5}.loginNotice.success{background:#f0fdf4;color:#166534;border:1px solid #86efac}.loginLabel{gap:5px}.loginLabel input{font-size:14px;padding:9px 12px}.loginActions{display:flex;gap:10px}.loginBtn{flex:1;padding:10px;font-size:14px;font-weight:600;border-radius:var(--radius);border:none}.loginBtn.primary{background:var(--accent);color:#fff}.loginBtn.primary:hover:not(:disabled){background:var(--accent-h)}.loginBtn.secondary{background:var(--bg);color:var(--text);border:1px solid var(--border)}.loginBtn.secondary:hover:not(:disabled){background:#e5e7eb}.appShell{display:flex;flex-direction:column;min-height:100vh}.appHeader{display:flex;align-items:center;gap:0;height:52px;padding:0 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.statValue{color:#d97706}.statLabel{font-size:12px;color:var(--text-muted);font-weight:500;text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}.statValue{font-size:32px;font-weight:700;color:var(--text);line-height:1}.dashGrid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.importTable{display:flex;flex-direction:column;gap:10px}.importRow{display:grid;grid-template-columns:80px 1fr auto;align-items:center;gap:10px}.importName{font-size:13px;font-weight:500;color:var(--text);white-space:nowrap}.importRow input[type=file]{width:100%}.genPanel{display:flex;flex-direction:column;gap:14px}.genIter{flex-direction:row;align-items:center;gap:12px;font-size:13px;font-weight:500;color:var(--text)}.genIter input{width:80px;text-align:center}.genBtn{background:var(--accent);color:#fff;border:none;padding:10px 20px;font-size:14px;font-weight:600;border-radius:var(--radius);align-self:flex-start}.genBtn:hover:not(:disabled){background:var(--accent-h)}.exportSection{display:flex;flex-direction:column;gap:8px}.exportLabel{font-size:12px;color:var(--text-muted);font-weight:500}.exportBtns{display:flex;flex-wrap:wrap;gap:8px}.exportBtns button{font-size:12px;padding:5px 12px}.unscheduledBadge{background:#fef2f2;color:#dc2626;border:1px solid #fca5a5;font-size:11px;font-weight:700;padding:2px 8px;border-radius:99px}.tableWrap{overflow-x:auto;border-radius:6px;border:1px solid var(--border)}.dataTable{width:100%;border-collapse:collapse;font-size:13px}.dataTable th{background:#f8fafc;color:var(--text-muted);font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.5px;padding:10px 14px;border-bottom:1px solid var(--border);white-space:nowrap;text-align:left}.dataTable td{padding:10px 14px;border-bottom:1px solid #f1f5f9;vertical-align:top}.dataTable tbody tr:last-child td{border-bottom:none}.dataTable tbody tr:hover{background:#f8fafc}.emptyCell{text-align:center;color:var(--text-muted);padding:24px!important;font-style:italic}.groupsCell{max-width:320px;color:var(--text-muted);font-size:12px}.lessonBadge{display:inline-block;padding:2px 8px;border-radius:4px;font-size:11px;font-weight:600;white-space:nowrap;border-left:3px solid transparent}.lessonBadge.lec{background:var(--lec-bg);color:var(--lec-text);border-left-color:var(--lec-border)}.lessonBadge.prac{background:var(--prac-bg);color:var(--prac-text);border-left-color:var(--prac-border)}.lessonBadge.lab{background:var(--lab-bg);color:var(--lab-text);border-left-color:var(--lab-border)}.lessonBadge.sem{background:var(--sem-bg);color:var(--sem-text);border-left-color:var(--sem-border)}.lessonBadge.other{background:var(--other-bg);color:var(--other-text);border-left-color:var(--other-border)}.schedView{display:flex;flex-direction:column;gap:0}.schedTopBar{display:flex;align-items:center;gap:16px;padding:14px 0 12px}.viewModeSwitch{display:flex;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;flex-shrink:0}.viewModeSwitch button{border:none;border-radius:0;background:transparent;color:var(--text-muted);font-size:13px;font-weight:500;padding:8px 18px;border-right:1px solid var(--border)}.viewModeSwitch button:last-child{border-right:none}.viewModeSwitch button:hover{background:#f3f4f6;color:var(--text)}.viewModeSwitch button.active{background:var(--accent);color:#fff}.vmDivider{display:block;width:2px;background:var(--border);align-self:stretch;flex-shrink:0}.entitySearchInput{flex:1;max-width:320px;font-size:13px}.entityChipsWrap{display:flex;flex-wrap:wrap;gap:6px;border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--surface);margin:0 -24px;padding:10px 24px 12px;overflow-x:auto;max-height:120px;overflow-y:auto}.entityChip{padding:4px 12px;font-size:12px;font-weight:500;border-radius:99px;border:1px solid var(--border);background:var(--surface);color:var(--text-muted);cursor:pointer;white-space:nowrap;transition:all .15s;flex-shrink:0}.entityChip:hover{border-color:var(--accent);color:var(--accent);background:#eff6ff}.entityChip.active{background:var(--accent);color:#fff;border-color:var(--accent)}.chipsPlaceholder{color:var(--text-muted);font-size:13px;font-style:italic;padding:4px 0}.chipsPlaceholder.errorText{color:var(--danger, #e53e3e);font-style:normal}.retryBtn{background:none;border:none;color:var(--primary, #3b82f6);cursor:pointer;font-size:13px;padding:0;text-decoration:underline}.schedFilters{display:flex;align-items:center;flex-wrap:wrap;gap:12px;padding:12px 0}.schedFilters label{flex-direction:row;align-items:center;gap:8px;font-size:12px;color:var(--text-muted);font-weight:500;white-space:nowrap}.schedFilters label select,.schedFilters label input{height:32px;font-size:12px}.searchLabel input{width:220px}.resetBtn{background:var(--bg);border-color:var(--border);color:var(--text-muted);font-size:12px;padding:5px 12px}.resetBtn:hover{color:var(--text);background:#e5e7eb}.activeEntityLabel{font-size:12px;color:var(--text-muted);margin-left:auto}.activeEntityLabel strong{color:var(--text)}.rowCount{color:var(--text-muted)}.matrixWrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}.matrixTable{width:100%;border-collapse:collapse;font-size:12px;table-layout:fixed}.matrixTable thead tr{background:#f8fafc}.matrixTable th{padding:10px 12px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);border-bottom:2px solid var(--border);white-space:nowrap;text-align:center}.matrixTable th.timeCol{text-align:left;width:96px}.matrixTable td.timeCol{width:96px}.matrixTable .dayCol{min-width:160px}.matrixTable td{padding:6px 8px;border-bottom:1px solid #f1f5f9;border-right:1px solid #f1f5f9;vertical-align:top;min-height:48px}.matrixTable tr:last-child td{border-bottom:none}.matrixTable td:last-child{border-right:none}.timeCol{background:#f8fafc;padding:8px 10px!important;border-right:2px solid var(--border)!important;position:sticky;left:0;z-index:2}.timeVal{font-size:13px;font-weight:700;color:var(--text);line-height:1}.slotMeta{font-size:10px;color:var(--text-muted);margin-top:3px}.shift2Row td{background:#fdfcf7}.shift2Row .timeCol{background:#faf8f0}.emptySlot,.hasLesson{background:transparent}.cellStack{display:flex;flex-direction:column;gap:4px}.cellItem{padding:6px 8px;border-radius:5px;border-left:3px solid var(--lec-border);background:var(--lec-bg)}.cellItem.lec{border-left-color:var(--lec-border);background:var(--lec-bg)}.cellItem.prac{border-left-color:var(--prac-border);background:var(--prac-bg)}.cellItem.lab{border-left-color:var(--lab-border);background:var(--lab-bg)}.cellItem.sem{border-left-color:var(--sem-border);background:var(--sem-bg)}.cellItem.other{border-left-color:var(--other-border);background:var(--other-bg)}.cellDisc{font-size:12px;font-weight:600;color:var(--text);line-height:1.3;margin-bottom:3px}.cellMeta{display:flex;flex-wrap:wrap;align-items:center;gap:4px}.cellDetail{font-size:11px;color:var(--text-muted)}.subgroupTag{display:inline-block;padding:1px 7px;border-radius:4px;font-size:11px;font-weight:700;background:#fef9c3;color:#854d0e;border:1px solid #fde68a;white-space:nowrap}.pendingResult{display:flex;flex-direction:column;gap:10px;padding:12px 14px;background:#f0fdf4;border:1px solid #86efac;border-radius:var(--radius)}.pendingStats{display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:var(--text-muted)}.pendingStats strong{color:var(--text)}.pendingStats .warnText{color:#d97706}.pendingActions{display:flex;gap:8px;flex-wrap:wrap}.cancelBtn{background:var(--bg);border:1px solid var(--border);color:var(--text-muted);font-size:13px;padding:8px 16px;border-radius:var(--radius)}.cancelBtn:hover:not(:disabled){background:#e5e7eb;color:var(--text)}.pendingBanner{display:flex;align-items:center;flex-wrap:wrap;gap:12px;padding:10px 16px;background:#fffbeb;border:1px solid #f59e0b;border-radius:var(--radius);margin-bottom:4px}.pendingBannerText{font-size:13px;font-weight:500;color:#92400e;flex:1}.pendingBannerActions{display:flex;gap:8px;flex-shrink:0}.schedExportBar{display:flex;align-items:center;gap:8px;padding:8px 0;flex-wrap:wrap}.exportBtn{font-size:12px;padding:5px 12px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);color:var(--text)}.exportBtn:hover{background:#f3f4f6;border-color:#c0c4cc}.matrixTable.allMode{table-layout:auto;width:max-content;min-width:100%}.matrixTable.allMode .entityCol{min-width:120px;max-width:180px;width:130px;text-align:left;font-size:10px;padding:6px;white-space:normal;word-break:break-word}.dayHeaderRow td{background:#e2e8f0;font-size:11px;font-weight:700;color:#334155;padding:5px 12px;border-bottom:2px solid #94a3b8;text-transform:uppercase;letter-spacing:.6px}.cellItem.compact{padding:4px 5px}.cellItem.compact .cellDisc{font-size:11px;margin-bottom:2px}.cellItem.compact .cellMeta{gap:3px}.cellItem.compact .cellDetail{font-size:10px}.cellItem.compact .lessonBadge{font-size:10px;padding:1px 5px}@media (max-width: 900px){.statsRow{grid-template-columns:repeat(2,1fr)}.dashGrid{grid-template-columns:1fr}.appContent{padding:16px}.schedTopBar{flex-wrap:wrap}.entitySearchInput{max-width:100%}}@media (max-width: 600px){.statsRow{grid-template-columns:1fr 1fr}.appTitle{font-size:14px;margin-right:16px}.appTab{padding:6px 12px;font-size:13px}.importRow{grid-template-columns:70px 1fr}.importRow button{grid-column:1 / -1}}.editBtnBar{display:flex;gap:8px;padding:6px 0}.editBtn{background:#f0fdf4;border:1px solid #86efac;color:#15803d;font-size:13px;font-weight:600;padding:7px 18px;border-radius:var(--radius);cursor:pointer}.editBtn:hover:not(:disabled){background:#dcfce7}.editBtn:disabled{opacity:.5;cursor:not-allowed}.editToolbar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:10px 16px;background:#eff6ff;border:1px solid #93c5fd;border-radius:var(--radius);margin-bottom:4px}.editToolbarLabel{font-size:13px;font-weight:700;color:#1d4ed8}.editMetric{flex:1;font-size:13px}.conflictCount{color:#dc2626;font-weight:600}.noConflict{color:#16a34a;font-weight:600}.editableCell{cursor:grab}.editableCell:active{cursor:grabbing}.editableCell:hover{outline:2px solid #3b82f6;outline-offset:-2px;border-radius:4px}.clickableCell{cursor:pointer}.clickableCell:hover{outline:2px solid #3b82f6;outline-offset:-2px;border-radius:4px}.dragOverlayCard{cursor:grabbing;box-shadow:0 8px 24px #00000038;border-radius:6px;opacity:.95;min-width:120px;max-width:220px;pointer-events:none}.dndOver{background:#dbeafe!important;outline:2px dashed #3b82f6;outline-offset:-2px}.dropTarget{background:#f8fafc;transition:background .15s}.dropTarget:hover{background:#e0f2fe}.conflictCell{background:#fef2f2!important;outline:2px solid #fca5a5;outline-offset:-2px}.conflictIcon{float:right;font-size:12px;color:#dc2626;margin-left:4px}.schedEditLayout{display:flex;gap:12px;align-items:stretch;flex:1;min-height:0;--edit-pane-height: min(72vh, 720px)}.schedEditLayout .matrixWrap{flex:1;min-width:0;height:var(--edit-pane-height);overflow:auto}.unscheduledPanel{display:flex;flex-direction:row;align-items:stretch;position:relative;flex-shrink:0;height:var(--edit-pane-height)}.unscheduledPanel.open{width:280px}.unscheduledPanel.closed{width:36px}.panelToggle{width:26px;height:26px;min-height:26px;padding:0;flex-shrink:0;background:#f1f5f9;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;font-weight:700;cursor:pointer;margin-top:0;align-self:center;display:inline-grid;place-items:center;line-height:1}.panelToggle:hover{background:#e2e8f0}.panelContent{flex:1;background:#f8fafc;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;height:100%;margin-left:0;padding:8px}.panelHeader{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);margin:0;padding:0;border:0}.panelHeaderRow{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px;padding-bottom:6px;border-bottom:1px solid var(--border)}.panelTabs{display:flex;align-items:stretch;gap:0;margin-bottom:8px;border-bottom:2px solid var(--border)}.panelTab{flex:1;padding:5px 6px;font-size:11px;font-weight:600;border:none;border-bottom:2px solid transparent;margin-bottom:-2px;background:transparent;color:var(--text-muted);cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.panelTab:hover{color:var(--text);background:#f1f5f9}.panelTab.active{color:var(--text);border-bottom-color:#3b82f6;background:transparent}.panelTab.hasConflicts{color:#dc2626}.panelTab.active.hasConflicts{border-bottom-color:#dc2626}.panelClose{flex-shrink:0;margin-left:4px;align-self:center;margin-bottom:2px}.panelBody.open{display:block;height:calc(100% - 38px);overflow-y:auto;padding-right:2px}.unscheduledPanel.closed .panelContent{padding:6px 4px}.panelClosedHeader{display:flex;flex-direction:column;align-items:center;gap:6px;padding:4px 0;height:100%}.panelClosedTab{writing-mode:vertical-rl;transform:rotate(180deg);font-size:10px;font-weight:600;padding:10px 3px;border:none;border-left:2px solid transparent;background:transparent;color:var(--text-muted);cursor:pointer;border-radius:var(--radius);white-space:nowrap;flex:1}.panelClosedTab:hover{background:#e2e8f0;color:var(--text)}.panelClosedTab.active{background:#e2e8f0;color:var(--text);border-left-color:#3b82f6}.panelClosedTab.hasConflicts{color:#dc2626}.panelClosedTab.active.hasConflicts{border-left-color:#dc2626}@media (max-width: 900px){.schedEditLayout{--edit-pane-height: min(64vh, 560px)}.unscheduledPanel.open{width:240px}}.panelEmpty{font-size:12px;color:#16a34a;text-align:center;padding:16px 0}.conflictCard{border-radius:6px;padding:6px 8px;margin-bottom:6px;background:#fff;border-left:3px solid #f87171;box-shadow:0 1px 3px #0000000f;font-size:11px;cursor:pointer;transition:box-shadow .15s}.conflictCard:hover{box-shadow:0 2px 8px #0000001f}.conflictCard--teacher{border-left-color:#fb923c}.conflictCard--room{border-left-color:#a78bfa}.conflictTypeBadge{display:inline-block;font-size:10px;font-weight:700;padding:1px 5px;border-radius:3px;margin-bottom:3px;text-transform:uppercase;letter-spacing:.3px}.conflictBadge--group{background:#fee2e2;color:#b91c1c}.conflictBadge--teacher{background:#ffedd5;color:#c2410c}.conflictBadge--room{background:#ede9fe;color:#6d28d9}.conflictDesc{color:var(--text);line-height:1.4;margin-bottom:3px;word-break:break-word}.conflictSlot{color:var(--text-muted);font-size:10px}.conflictZoomBox{max-width:480px;width:100%}.conflictZoomDesc{display:flex;align-items:flex-start;gap:8px;font-size:13px;color:var(--text);margin-bottom:14px;line-height:1.4}.conflictZoomLessons{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}.conflictZoomLesson{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius);background:#f8fafc}.conflictZoomInfo{flex:1;min-width:0}.conflictZoomTop{display:flex;align-items:center;gap:6px;margin-bottom:4px}.conflictZoomTop strong{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.conflictZoomMeta{font-size:11px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conflictZoomEditBtn{flex-shrink:0;padding:5px 12px;font-size:12px;font-weight:600;background:#3b82f6;color:#fff;border:none;border-radius:var(--radius);cursor:pointer}.conflictZoomEditBtn:hover{background:#2563eb}.unschedCard{border-radius:6px;padding:6px 8px;margin-bottom:6px;background:#fff;border-left:3px solid #94a3b8;box-shadow:0 1px 3px #0000000f;cursor:grab}.unschedCard:active{cursor:grabbing}.unschedCard.lec{border-left-color:#3b82f6}.unschedCard.prac{border-left-color:#22c55e}.unschedCard.lab{border-left-color:#f59e0b}.unschedDisc{font-size:11px;font-weight:600;color:var(--text);margin-bottom:3px;line-height:1.3}.unschedMeta{display:flex;gap:4px;align-items:center;flex-wrap:wrap;font-size:10px;color:var(--text-muted)}.unschedSlots{font-size:10px;color:var(--text-muted);margin-top:2px}.modalOverlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;z-index:1000;display:flex;align-items:center;justify-content:center}.modalBox{background:#fff;border-radius:10px;padding:24px;width:420px;max-width:95vw;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px #0003}.modalTitle{font-size:16px;font-weight:700;color:var(--text);margin-bottom:6px}.modalSub{display:flex;gap:8px;align-items:center;font-size:12px;color:var(--text-muted);margin-bottom:14px}.modalInfo{font-size:13px;color:var(--text);margin-bottom:16px;display:flex;flex-direction:column;gap:3px}.modalSection{border-top:1px solid var(--border);padding-top:12px;margin-top:12px}.findSlotHeader{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.findSlotBtn{padding:4px 12px;font-size:12px;font-weight:600;background:#f1f5f9;border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;color:var(--text)}.findSlotBtn:hover:not(:disabled){background:#e2e8f0}.findSlotBtn:disabled{opacity:.5;cursor:not-allowed}.findSlotEmpty{font-size:12px;color:var(--text-muted);text-align:center;padding:8px 0}.findSlotList{display:flex;flex-direction:column;gap:4px;max-height:200px;overflow-y:auto;padding-right:2px}.findSlotItem{display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:8px;padding:6px 8px;border:1px solid var(--border);border-radius:var(--radius);background:#f8fafc;cursor:pointer;text-align:left;font-size:12px;width:100%}.findSlotItem:hover{background:#e2e8f0;border-color:#94a3b8}.findSlotItem.selected{background:#eff6ff;border-color:#3b82f6}.findSlotDay{font-weight:600;color:var(--text)}.findSlotPos{color:var(--text-muted);white-space:nowrap}.findSlotRoom{color:#3b82f6;font-size:11px;white-space:nowrap}.modalSectionTitle{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);margin-bottom:8px}.modalSection select{width:100%;margin-bottom:8px}.modalBtn{background:var(--accent);color:#fff;border:none;font-size:13px;font-weight:600;padding:7px 16px;border-radius:var(--radius);cursor:pointer}.modalBtn:hover:not(:disabled){background:var(--accent-h)}.modalBtn:disabled{opacity:.5;cursor:not-allowed}.moveForm{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}.moveForm label{display:flex;flex-direction:column;font-size:11px;color:var(--text-muted);gap:3px}.moveForm select{font-size:13px}.modalConflictBox{margin-top:10px;padding:10px 12px;background:#fff7ed;border:1px solid #fdba74;border-radius:6px;display:flex;flex-direction:column;gap:10px}.modalConflictGroup{display:flex;flex-direction:column;gap:4px}.modalConflictTitle{font-size:11px;font-weight:700;color:#9a3412;text-transform:uppercase;letter-spacing:.4px}.modalConflictItem{font-size:12px;color:#7c2d12;line-height:1.35}.modalError{color:#dc2626;font-size:12px;margin-top:8px;padding:6px 10px;background:#fef2f2;border-radius:4px}.modalActions{display:flex;justify-content:space-between;align-items:center;margin-top:16px;border-top:1px solid var(--border);padding-top:12px}.deleteBtn{background:#fef2f2;color:#dc2626;border:1px solid #fca5a5;font-size:13px;padding:7px 14px;border-radius:var(--radius);cursor:pointer}.deleteBtn:hover:not(:disabled){background:#fee2e2}.deleteBtn:disabled{opacity:.5;cursor:not-allowed}.settingsView{display:flex;flex-direction:column;gap:16px;max-width:860px;padding:16px}.settingsCard{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:20px 24px}.settingsCard h2.settingsSectionTitle{font-size:15px;font-weight:700;color:var(--text);margin:0 0 14px;padding-bottom:10px;border-bottom:1px solid var(--border)}.settingsSection{margin-bottom:18px}.settingsSectionLabel{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);margin-bottom:8px}.settingsGrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px 14px}.settingsField{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--text-muted)}.settingsField span{font-weight:500;color:var(--text)}.settingsField input[type=number],.settingsField input[type=text],.settingsField select{padding:5px 8px;border:1px solid var(--border);border-radius:var(--radius);font-size:13px;background:#fff;color:var(--text);outline:none}.settingsField input:focus,.settingsField select:focus{border-color:var(--accent);box-shadow:0 0 0 2px #3b82f626}.settingsFieldWide{grid-column:1 / -1;margin-top:6px}.settingsFieldWide input{width:100%;box-sizing:border-box}.settingsActions{display:flex;gap:10px;margin-top:8px;padding-top:14px;border-top:1px solid var(--border)}.settingsSaveBtn{background:var(--accent);color:#fff;border:none;font-size:13px;font-weight:600;padding:8px 20px;border-radius:var(--radius);cursor:pointer}.settingsSaveBtn:hover:not(:disabled){background:var(--accent-h)}.settingsSaveBtn:disabled{opacity:.55;cursor:not-allowed}.settingsResetBtn{background:transparent;border:1px solid var(--border);color:var(--text-muted);font-size:12px;padding:8px 16px;border-radius:var(--radius);cursor:pointer}.settingsResetBtn:hover{background:#f8f8f8;color:var(--text)}.slidersGrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px}.sliderField{display:flex;flex-direction:column;gap:6px}.sliderHeader{display:flex;flex-direction:column;gap:2px}.sliderLabel{font-size:13px;font-weight:600;color:var(--text)}.sliderHint{font-size:11px;color:var(--muted);line-height:1.3}.sliderRow{display:flex;align-items:center;gap:8px;margin-top:2px}.sliderEdge{font-size:11px;color:var(--muted);white-space:nowrap;min-width:42px}.sliderEdge:last-child{text-align:right}.sliderInput{flex:1;height:4px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--border);border-radius:2px;outline:none;cursor:pointer}.sliderInput::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:16px;height:16px;border-radius:50%;background:var(--accent);border:2px solid #fff;box-shadow:0 1px 4px #0000002e;cursor:pointer;transition:transform .1s}.sliderInput::-webkit-slider-thumb:hover{transform:scale(1.15)}.sliderInput::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:var(--accent);border:2px solid #fff;box-shadow:0 1px 4px #0000002e;cursor:pointer}.sliderDots{display:flex;justify-content:space-between;padding:0 2px}.sliderDot{width:6px;height:6px;border-radius:50%;background:var(--border);transition:background .15s}.sliderDot.active{background:var(--accent)}.helpView{max-width:820px;margin:0 auto;padding:24px 16px;display:flex;flex-direction:column;gap:20px}.helpCard{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}.helpCardTitle{font-size:17px;font-weight:700;color:var(--text);margin-bottom:16px;padding-bottom:10px;border-bottom:1px solid var(--border)}.helpSubTitle{font-size:13px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;margin:18px 0 10px}.helpText{font-size:14px;color:var(--text-muted);line-height:1.6;margin-bottom:12px}.helpCard code{font-family:ui-monospace,monospace;font-size:12px;background:#f1f5f9;color:#0f172a;padding:1px 5px;border-radius:3px;border:1px solid #e2e8f0}.helpList{font-size:14px;color:var(--text);line-height:1.7;padding-left:20px;display:flex;flex-direction:column;gap:6px}.helpListOrdered{list-style:decimal}.helpList:not(.helpListOrdered){list-style:disc}.helpImportTable{margin:14px 0 6px;display:flex;flex-direction:column;gap:8px}.helpImportRow{display:flex;gap:12px;align-items:baseline;font-size:14px;color:var(--text);line-height:1.5}.helpImportName{flex-shrink:0;min-width:100px;font-weight:600;color:var(--accent)}.helpViewModes{display:flex;flex-direction:column;gap:8px;margin:8px 0}.helpViewMode{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text)}.helpBadge{font-size:12px;font-weight:600;padding:3px 10px;border-radius:20px;background:#eff6ff;color:#1d4ed8;border:1px solid #bfdbfe;white-space:nowrap;flex-shrink:0}.helpLessonTypes{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}.helpLessonBadge{font-size:12px;font-weight:600;padding:4px 12px;border-radius:20px;border:1px solid}.helpConflicts{display:flex;flex-direction:column;gap:12px;margin-top:12px}.helpConflictRow{display:flex;align-items:baseline;gap:12px;font-size:14px;color:var(--text);line-height:1.5}.helpConflictRow .conflictTypeBadge{flex-shrink:0;min-width:60px;text-align:center}.helpParamsTable{display:flex;flex-direction:column;gap:10px;margin:8px 0}.helpParamRow{display:grid;grid-template-columns:220px 1fr;gap:12px;font-size:14px;color:var(--text);line-height:1.5;padding:8px 0;border-bottom:1px solid #f3f4f6}.helpParamRow:last-child{border-bottom:none}.helpParamName{font-weight:600;color:var(--text)}@media (max-width: 600px){.helpParamRow{grid-template-columns:1fr}.helpImportRow{flex-direction:column;gap:4px}}